3730 LEWIS SPEEDWAY Step into timeless design with this stunning mid-century modern custom home designed by renowned St. Augustine architect Howard Davis. Nestled on almost an acre, this 3, 000 sq ft architectural gem features an open floor plan with vaulted ceilings, 2 spacious primary suites (one upstairs and one downstairs), 2 additional bedrooms, and a flex space room currently used as a bedroom--offering both flexibility and function. Extensively updated in 2024, this home blends classic style with modern peace of mind: new roof (Jan 2024), HVAC, water heater, water softener, updated electric panel, new culvert and concrete entry, fully renovated kitchen and living spaces, plus major tree trimming and removal of dead/dying trees--making this property truly move-in ready. Adding even more value and versatility, a self-sustaining Airstream is positioned on the front corner of the property--perfect as a guest suite, in-law quarters, or income-producing rental. Currently, both the main home and Airstream are successfully operating as vacation rentals, offering an incredible opportunity for immediate income or multi-generational living.This one-of-a-kind property combines iconic design, modern upgrades, and endless possibilities--all set on a rare, expansive lot.